body{
    width: 100%;
    height: 100%;
    background-color: #2b1d45;
}
.login{
    width: 400px;
    height: 400px;
    border-radius: 10px;
    -moz-border-radius: 10px;
    -moz-border-radius: 10px;
    background-color:#fff;
    position: absolute;
    top:30%;
    left: 30%;
    behavior: url(pie/pie.htc);
    z-index: 2;

}
.top{
    width: 100%;
    height: 64px;
    border-radius: 10px 10px 0 0;
    -moz-border-radius: 10px 10px 0 0;
    -moz-border-radius: 10px 10px 0 0;
    background-color: #ff4500;
    color: #fff;
    line-height: 64px;
    text-align: center;
    behavior: url(pie/pie.htc);
    z-index: 2;
}
.bottom{
    padding:30px 18px 0 18px;

}
.username{
    position: relative;
    border:1px solid #ccc;
    height: 40px;
    border-radius: 5px;
    -moz-border-radius: 5px;
    -moz-border-radius: 5px;
    behavior: url(pie/pie.htc);
    margin-bottom: 40px;
    z-index: 2;
}
.username input{
    line-height: 38px;
    height: 38px;
    width: 362px;
    border-radius: 5px;
    -moz-border-radius: 5px;
    -moz-border-radius: 5px;
    behavior: url(pie/pie.htc);
    padding-left: 28px;
    z-index: 2;
    vertical-align: middle;
}
.username img{
    top: 7px;
    left: 0;
    position: absolute;
}
.username input:focus{
    border:1px solid #ff4500;
    box-shadow: 0 0 10px #ff4500;
    -moz-box-shadow:  0 0 10px #ff4500;
    -webkit-box-shadow: 0 0 10px #ff4500;
    behavior: url(pie/pie.htc);
    z-index: 2;
}
li:nth-of-type(1){
    float: left;
}
li:nth-of-type(2){
    float:right;
}
input[type=submit]{
    background-color: #ff4500;
    display: block;
    width: 100%;
    height: 40px;
    color: #fff;
    font-size: 20px;
    border-radius: 5px;
   -webkit-border-radius: 5px;
    -moz-box-shadow: 5px;
    behavior: url(pie/pie.htc);
    margin-top: 10px;
    margin-bottom: 10px;
    z-index: 2;
    vertical-align: middle;
}
p{
    text-align: center;
    color: #ccc;
}
p a{
    color:red;
    margin-left: 10px;
}
.panel-footer{
    padding:0 20px;
    height: 44px;
    line-height: 44px;
}

.panel-footer img{
    width: 30px;
    /*图片居中*/
    vertical-align: middle;
}
.ul1{
    float: left;
}
.ul2{
    float: right;
}